Scour 7 : The result of an erosive action of flowing water, primarily in streams, excavating and carrying away material from the bed and banks. Wearing away by abrasive action
Federal Emergency Management Agency (FEMA), Flood Hazard Mitigation Handbook (FEMA Hazard Mitigation Handbook Series - Helping People before, during and after disasters), Appendix B: Glossary & Index of Flood Damage Keywords, Washington D.C., USA 2002. http://www.conservationtech.com/FEMA-WEB/FEMA-subw eb-flood/01-06-FLOOD/8-Appendices/appendix-B.htm, (ND/ Flood - Amer) {62}